206959400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 512244000

約数和(自身を除く): 305284600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 107, 152, 190, 200, 214, 380, 428, 475, 509, 535, 760, 856, 950, 1018, 1070, 1900, 2033, 2036, 2140, 2545, 2675, 3800, 4066, 4072, 4280, 5090, 5350, 8132, 9671, 10165, 10180, 10700, 12725, 16264, 19342, 20330, 20360, 21400, 25450, 38684, 40660, 48355, 50825, 50900, 54463, 77368, 81320, 96710, 101650, 101800, 108926, 193420, 203300, 217852, 241775, 272315, 386840, 406600, 435704, 483550, 544630, 967100, 1034797, 1089260, 1361575, 1934200, 2069594, 2178520, 2723150, 4139188, 5173985, 5446300, 8278376, 10347970, 10892600, 20695940, 25869925, 41391880, 51739850, 103479700, 206959400]

約数ペア:

[(1, 206959400), (2, 103479700), (4, 51739850), (5, 41391880), (8, 25869925), (10, 20695940), (19, 10892600), (20, 10347970), (25, 8278376), (38, 5446300), (40, 5173985), (50, 4139188), (76, 2723150), (95, 2178520), (100, 2069594), (107, 1934200), (152, 1361575), (190, 1089260), (200, 1034797), (214, 967100), (380, 544630), (428, 483550), (475, 435704), (509, 406600), (535, 386840), (760, 272315), (856, 241775), (950, 217852), (1018, 203300), (1070, 193420), (1900, 108926), (2033, 101800), (2036, 101650), (2140, 96710), (2545, 81320), (2675, 77368), (3800, 54463), (4066, 50900), (4072, 50825), (4280, 48355), (5090, 40660), (5350, 38684), (8132, 25450), (9671, 21400), (10165, 20360), (10180, 20330), (10700, 19342), (12725, 16264)]